openjpeg/jpwl/encoder/libopenjpeg/jpw.h

105 lines
3.1 KiB
C

/*
* Copyright 2004-2005 Andrea Betti and Michele Massarelli
* Copyright 2004-2005 DIEI, University of Perugia
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* questa è un' estensione della libreria dell'openjpeg in grado di implementare
* la parte 11 dello standard JPEG2000 ossia il JPWL
*/
#ifndef __JPW_H
#define __JPW_H
typedef struct {
unsigned int JPWL_on; //indica se usare le funzionalità JPWL e quindi l'EPC nel main header
unsigned int EPB_on;
unsigned int ESD_on;
unsigned int RED_on;
unsigned int UEP_on;
unsigned int info_tech_on;
unsigned long pepb[6];
unsigned char pesd;
unsigned char pred;
} JPWL_cp_t;
// inizializza la struttura contenente le info riguardanti l'uso dei marker jpwl
void jpwl_cp_init(JPWL_cp_t *jpwl_cp);
// qui iniziano le funzioni necessarie per la scrittura dei marker
void jpwl_write_EPC();
void jpwl_write_ESD(char Pesd, int notil);
void jpwl_write_RED();
void JPWL_write_EPB(char *buf, unsigned long LDPepb, unsigned long Pepb, unsigned char Depb);
int JPWL_len_EPB(unsigned int LDPepb, unsigned int Pepb, unsigned char Depb);
int pianifica_epb(unsigned int LDPepb, unsigned int Pepb, int *n_epb );
void JPWL_write_Pepbs(long *pepbs, int num_epb);
void get_jpwl_cp(j2k_cp_t *cp);
int uep(int notil, char *bs, char *header, int len_header);
int uep_lay(int notil, char *bs, char *header, int len_header);
void jpwl_write_EPC_fin(unsigned long CL, long *pepbs, int num_epb);
void correggi_esd(int offset, int len_esd, int Pesd);
int jpwl_encode(char *input, char * output, unsigned long CL);
/* qui andrò ad inserire le funzioni necessarie per il crc oppure la codifica RS
* e le funzioni per le tecniche informative aggiuntive
*/
void ResetCRC();
void UpdateCRC16(char x);
void UpdateCRC32(char x);
char reflectByte(char inbyte);
void reflectCRC32();
//int crc_ccitt(char *buffer, int len);
short int d2pfp(double in);
double pfp2d(short int in);
#endif